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AN7191NZ Datasheet(PDF) 1 Page - Panasonic Semiconductor

Part No. AN7191NZ
Description  Dual 20 W BTL audio power amplifier
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Maker  PANASONIC [Panasonic Semiconductor]
Homepage  http://www.panasonic.com/industrial/
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ICs for Audio Common Use
1
AN7191NZ
Dual 20 W BTL audio power amplifier
s Overview
The AN7191NZ is an audio power IC developed for
the sound output of car audio (dual 20 W). It is incorpo-
rating various protective circuits to protect the IC from
destruction by GND-open short circuit to GND and power
supply surge which are the important subject of power
IC protection, so the IC will largely contribute to a high
reliability design of equipment. Also, it is incorporating
a perfect muting circuit which is free from shock noise,
so that a shock noise design under the set transient con-
dition can be made easily using together with its standby
function.
s Features
• BTL 20 W × 2-channel (4 Ω), G
V = 34 dB
• Built-in various protection circuits (thermal protection,
short circuit to VCC and short circuit to GND, VCC-open
short circuit to VCC , GND-open short circuit to GND,
overvoltage and supply surge, and ASO, etc.)
Especially, the supply surge breakdown voltage is 100
V or more.
GND open breakdown voltage is 16 V or more.
• Built-in standby function (free from shock noise at
standby on/off)
• Built-in muting function
Free from shock noise at mute-on/off.
Adapting attenuator method so that abnormal sound due
to waveform deformation is not generated.
Attack time, recovery time are 50 ms or less.
• Reduction in external components
It eliminates the need for NF and BS electrolytic ca-
pacitors.
Muting function is not required, and power supply choke
coil is unnecessary.
• Provided with beep sound input pin
• 2 Ω load guaranteed
s Applications
• Car audio
HZIP015-P-0745A
Unit : mm
18.00±0.30
13.50±0.30
φ3.60±0.10
115
4.00±0.20
1.50±0.10
0.50+0.20
–0.10
(0.61)
(2.54)
0.25+0.15
–0.05
R0.55
1.27
(1.80)
(1.95)
19.00±0.30
19.30±0.30




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